| details |
Early Oligocene |
|
USSR(WSL) |
Boitsel,Z.A. et al. Oligocene spore-pollen complexes of the central part of the Western Siberian Lowlands |
1956 |
| details |
Late Oligocene |
|
USSR(WSL) |
Boitsel,Z.A. et al. Oligocene spore-pollen complexes of the central part of the Western Siberian Lowlands |
1956 |
| details |
Paleocene |
Eocene |
Spitsbergen |
de Jersey,N.J. Spitsbergen Tertiary Coal fossils |
1955 |
| details |
Late Tertiary |
|
Japan(Shimane Pref.) |
Nakamura,J. et al. Palynological studies of Cenozoic Coal bearing formations. 2. Some coal mines in Shimane Prefecture. |
1954 |
| details |
Liassic |
|
W.Germany |
Reissinger,A. Pollen analysis extended to all sedimentary rocks of the geological past. |
1950 |